1. Login to the SanoServers Control Panel
  2. Navigate to your server’s control panel
  3. Stop your server if it’s running.
  4. Click Files on the left-hand side of the server’s control panel
  5. Navigate to /garrysmod/cfg/
  6. Double click on the server.cfg file
  7. Find the line that says rcon_password "changeme"
  8. Replace changeme with your desired RCON password
  9. Save the file
  10. Restart your server

Your Garrys Mod server’s RCON password should now be changed. You can now use the new RCON password to securely manage your server.